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EnglandBiologyQuick questions

Topic 2: Genes and health

Quick questions on Gene mutation and cystic fibrosis: the CFTR channel and its effects - Edexcel A-Level Biology B

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Explain how a deletion mutation can affect the protein produced. [2 marks]
What is q2?
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Two carrier parents have a child. State the probability the child has cystic fibrosis. [1 mark]

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